CVE-2023-1855 — A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwm
A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. This vulnerability could even lead to a kernel info
Published
2023-04-05T00:00:00.000Z
Last modified
2025-02-12T16:08:11.549Z
01What is this vulnerability?
A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. This vulnerability could even lead to a kernel information leak problem.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / Kernel | Linux kernel prior to Kernel 6.3 RC3 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-04-05T00:00:00.000Z
- Last modified: 2025-02-12T16:08:11.549Z
09References
- lore.kernel.org — https://lore.kernel.org/all/20230318122758.2140868-1-linux%40roeck-us.net/
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- github.com — https://github.com/torvalds/linux/commit/cb090e64cf25602b9adaf32d5dfc9c8bec493cd…
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